1. Where is the contact person from in the "Contacts"?

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The recipients in your sent emails will be automatically added in the "Contacts". You can also save the senders to the "Contacts". You can also manually add contacts or scan QR code to add contacts. The "Contacts" are arranged in alphabetical order.
MeSince uploads and backups your "Contacts" to the cloud server, so that you can synchronize the "Contacts" when you install MeSince on a new device. It also facilitates the loss of "Contacts" when your phone is lost, and also has the advantage of changing your mobile phone, the address book will not rely on the phone's contact cloud, and it is free to replace different brands of mobile phones, completely resolving the pain of how different brands of mobile phones import and export address books.

2. Can I check the "Contacts" person's certificate public key certificate?

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If anyone in your “Contact” used MeSince, it has a padlock icon. You can view the public key information, it not only lists the identity certificate, but also list this person's all encrypting certificates. MeSince will use multi-certificate to encrypt the email, so that the receiver can decrypt the email using one of the encryption certificates. And you can click the email icon to send encrypted email to the contact after finding the contact.

3. Can I scan QR code to add other MeSince users?

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Yes, you can scan QR code to add other MeSince users and go directly to the "Write email" interface. You can also add your own mobile phone number to your account information so that friends can automatically add your email and mobile number to the address book when scanning the QR code.

4. How can I setup an email group? How do I send group email? Is there quantity limit on the group members?+

In PC version click "Contact", then click "+" icon to select "New group" to establish a new group. In mobile version, click , then you can choose the member from the Contact.

Please note: After you add a group member, MeSince will notify him/her, and he/she can choose to agree to join and to refuse. Before he/she rejects to be added, he/she will receive the group email. Only after he/she refuses to join the group, he/she will not receive the group mail.

Once the group is built, it will be displayed in "My Group" and you can send encrypted emails to the group. There is no limit to the number of group members, but the number of people will affect the sending speed.